<!DOCTYPE html>
<html>
	<head>
		<meta charset="utf-8">
		<title></title>
		<style type="text/css">
			#box1{
				width: 100px;
				height: 100px;
				background-color: red;
			}
		</style>
		<script src="common/js/jquery.js" type="text/javascript" charset="utf-8"></script>
		<script type="text/javascript">
		 $(function(){
			 $("#btn1").click(function(){
				 $("#box1").css({
					 "width":"200px",
					 "height":"200px"
				 })
			 })
		 })
		</script>
	</head>
	<body>
		<button type="button"id="btn1">滴滴</button>
		<div id="box1">
			
		</div>
	</body>
</html>
